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As the title says is it possible to neck turn on a lathe or do I have to buy all the gubbings.
I'm thinking a 6.5 drill reversed and chucked up in the tail stock. The case held in a collet using the 6.5 drill shank as a mandrel.
What do you think. Is the conventional cutter profiled to champher the shoulder or does it just take a straight cut along the length of the neck.

Failing that were would you buy neck turning stuff and how much is it likely to cost to get set up.

I checked out YouTube it can be done but its probably easier with the proper tools I guess.

You can do it. It's only really viable if you are doing a lot of cases. The first job is to turn-up a sacrificial mandrel - which will be scrap once you take it out of the chuck.

I do a lot of neck-turning and a decent neck-turner works best.

As TGP says, machine a sacrificial mandrel and throw it away once it has been taken out of the chuck as it will never return correctly. I have a few custom cutters ground for specific shoulder angles, I doubt they have seen the light of day in the last three years, these days I use a Sinclair neck turner however other makes are available :)

About the only thing I make for them is dedicated mandrels in .0005" steps as the neck tension of different makes of brass can mean a slightly different ID. I probably have in excess of 30 mandrels for sizing and turning with a Sinclair die and neck turner that are used with the brass I drill and tap for OAL gauges,

At the moment you're still only guessing that that is the issue, get it looked at by a competent gunsmith or preferably speak to the previous owner or the one who chambered it originally to find out exactly what it was set up for, if it was for a certain bullet weight and profile neck turning won't help.

I don't know who built the rifle I do know who the the previous owner was. I have a set of dummy cartridges supplied by him with reloading data. All the bullets are seated short. I'm prepared to give neck turning a go before writing the rifle off at the moment I'm not enjoying this gun at all.
I have never had a day out with it with out issues. If the worst comes to the worst the action can be reused I'll just ditch the barrel.

I don't know of any competent gun smiths in the North East of England.

Any way that's enough of that moving on rapidly this thread is about neck turning were do I get neck turning gear from. Preferably in the Uk.

It is possible to neck turn in the lathe I did it to night. It was a bit rough and ready but it can be done. I would probably buy a proper set up if I was going to give it a go though.